ANTIHISTAMINE /ˌæn.taɪˈhɪs.tə.miːn/ ► audio Scrabble 18 Words With Friends 20 Definition noun a medicine used to treat allergies and hypersensitive reactions and colds. See all 589 words you can make from ANTIHISTAMINE → 13-letter words Words starting with A Words ending with E ← Unscramble different letters